the GNU version of the Collaborative International Dictionary of English
adj. Making, or causing, no noise or bustle; without noise; silent.
The Century Dictionary and Cyclopedia
Making no noise or bustle; silent.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. making no sound
Word Usage
"To and fro she went, in noiseless ministry, as the long, dreadful days wore away, with a quiet smile on her lips, and in her dark, sorrowful eyes the rapt look of a pictured saint in some dim cathedral niche."